Patent application number | Description | Published |
20080260325 | Composite Evanescent Waveguides And Associated Methods - A composite evanescent waveguide can include a first structured dielectric layer and a second dielectric material oriented adjacent one another to form a wave propagation interface between the first structured dielectric layer and second dielectric material. Each of the first structured dielectric layer and second dielectric material are formed of materials such that the wave propagation interface can be capable of propagating an all-evanescent surface wave. The resulting propagating surface waves tend to have low losses and can be suitable for optical communications, surface analysis, sensors, and a variety of other applications. | 10-23-2008 |
20090097213 | Daisy chain optical interconnect - A daisy-chain optical interconnection technique provides connectivity among a plurality of circuit boards. A plurality of optical cables is connected between pairs of the circuit boards to form a ring. Optical connection matrices disposed on each circuit board accept the ends of the optical cables. The optical connection matrices include optical vias to connect selected ones of the optical paths between ends of the optical cables. Unselected ones of the optical paths are coupled to optical transmitters and optical receivers on each board. | 04-16-2009 |
20100112809 | Multilevel imprint lithography - A mold with a protruding pattern is provided that is pressed into a thin polymer film via an imprinting process. Controlled connections between nanowires and microwires and other lithographically-made elements of electronic circuitry are provided. An imprint stamp is configured to form arrays of approximately parallel nanowires which have (1) micro dimensions in the X direction, (2) nano dimensions and nano spacing in the Y direction, and three or more distinct heights in the Z direction. The stamp thus formed can be used to connect specific individual nanowires to specific microscopic regions of microscopic wires or pads. The protruding pattern in the mold creates recesses in the thin polymer film, so the polymer layer acquires the reverse of the pattern on the mold. After the mold is removed, the film is processed such that the polymer pattern can be transferred on a metal/semiconductor pattern on the substrate. | 05-06-2010 |
20100245981 | ELECTRO-OPTICAL DISPLAY - A display system encompasses electrodes that induce a convective flow of a carrier fluid that transports a colorant species that is suspended in the carrier fluid. At least one of the convection flow, speed, and direction of the colorant species is controlled by operation of the electrodes. | 09-30-2010 |
20110097084 | Hierarchical Passive Networks - A communication network is described in which a number of computing nodes are situated in a logical multidimensional array and are linked by communication cables. The communication cables carry conduits connecting each node with all other nodes in the array so that a direct physical connection exists between every pair of computing nodes in the array. A method of providing interconnection among nodes in a communication network comprises arranging and connecting computing nodes in an array as described above, where each node passively redirects conduits to columns and rows in the array. | 04-28-2011 |
20110102484 | A DISPLAY - A display includes a plurality of display elements. Each display element includes two opposed electrodes, a first dielectric layer, a fluid including a plurality of colorants, and a second dielectric layer. The first dielectric layer is disposed between the electrodes and has at least one reservoir defined therein. The second dielectric layer exhibits non-linear resistance, and is disposed on at least one of the electrodes and adjacent to the fluid. The fluid is disposed in a space defined between the electrodes, and the plurality of colorants is configured to move in response to an applied electric field. | 05-05-2011 |
20110150385 | POLARIZATION MAINTAINING LARGE CORE HOLLOW WAVEGUIDES - A system and method for guiding polarized light is disclosed. One system comprises a large core hollow waveguide having first and second dimensions that are substantially perpendicular. The first and second dimensions are orthogonal to a direction of travel of light in the waveguide. A length of the first dimension is substantially greater than a length of the second dimension to enable light waves with an electric field approximately parallel with the first dimension to propagate through the waveguide with substantially less loss than light waves that have an electric field approximately parallel with the second dimension. | 06-23-2011 |
20110150390 | IN-PLANE OPTICAL WAVE GUIDE WITH AREA BASED SPLITTER - An optical interconnect includes a set of splitters. Each splitter includes a source waveguide, a reflection waveguide, an output waveguide, and a partially reflective mirror element with a reflective coating. The source waveguide and the reflection waveguide are optically coupled to the partially reflective element. A photonic signal from the source waveguide is partially reflected off the reflective coating as a reflected signal into the reflection waveguide. The output waveguide is optically coupled to the opposite surface and configured such that a non-reflected portion of the photonic signal propagates into the output waveguide. The reflective coating includes a reflected surface area interfacing with the photonic signal form the source waveguide, and power of the non-reflected portion is a function of the reflective surface area interfacing with source waveguide. | 06-23-2011 |
20110164875 | SYSTEMS AND METHOD FOR ROUTING OPTICAL SIGNALS - Systems and a method for routing optical signals are disclosed. One system includes a first large core hollow metal waveguide configured to guide a substantially coherent optical beam. A second large core hollow waveguide is optically coupled to the first waveguide with a coupling device. The coupling device is configured to divide the coherent optical beam into a transmitted beam and a reflected beam. Beam walk-off within the coupling device causes the transmitted beam to be shifted by an offset amount. The second large core hollow metal waveguide is shifted from the first large core hollow metal waveguide by approximately the offset amount to receive the shifted transmitted beam. | 07-07-2011 |
20110286493 | MICROCALORIMETER SYSTEMS - In one embodiment, a microcalorimeter system includes a first microfluidic channel coupling a calorimeter with a sample chamber. A second microfluidic channel couples the calorimeter with a waste chamber. An inertial pump includes a fluid actuator integrated asymmetrically within the first microfluidic channel, and the fluid actuator is capable of selective activation to pump fluid from the sample chamber to the calorimeter and from the calorimeter to the waste chamber through the first and second microfluidic channels, respectively. | 11-24-2011 |
20110304905 | ELECTRO-OPTICAL DISPLAY - A display system encompasses electrodes that induce a convective flow of a carrier fluid that transports a colorant species that is suspended in the carrier fluid. At least one of the convection flow, speed, and direction of the colorant species is controlled by operation of the electrodes. | 12-15-2011 |
20120113501 | ELECTRONIC DISPLAY - One embodiment is an electronic display that includes plural reservoirs, two spaced electrodes, and a plural colorant disposed between the two spaced electrodes. Colorants in the plural colorant move between the two spaced electrodes and into the plural reservoirs when subject to an electric field. | 05-10-2012 |
20120127560 | ELECTRO-OPTICAL DISPLAY - An electro-optical display includes colorant particles that are suspended in a carrier fluid. The colorant particles are controlled by three different types of electrodes. An exposed electrode acts on the colorant particles in an electrokinetic manner by compacting the colorant particles. A passivated electrode acts on the colorant particles in an electrostatic manner by holding the colorant particles once compacted. A reference electrode attracts the colorant particles to compaction areas. | 05-24-2012 |
20120162745 | DISPLAY - The display element(s) ( | 06-28-2012 |
20120244604 | POLYMERASE CHAIN REACTION SYSTEMS - In one embodiment, a polymerase chain reaction (PCR) system includes a mixture chamber, a denature chamber, an annealing chamber, an extension chamber, and a product chamber, that are fluidically coupled to one another through a plurality of microfluidic channels. An inertial pump is associated with each microfluidic channel, and each inertial pump includes a fluid actuator integrated asymmetrically within its associated microfluidic channel. The fluid actuators are capable of selective activation to circulate fluid between the chambers in a controlled cycle. | 09-27-2012 |
20120306030 | BALANCING A MICROELECTROMECHANICAL SYSTEM - A method of balancing a microelectromechanical system comprises determining if a microelectromechanical system is balanced in a plurality of orthogonal dimensions, and if the microelectromechanical system is not balanced, selectively depositing a first volume of jettable material on a portion of the microelectromechanical system to balance the microelectromechanical system in the plurality of orthogonal dimensions. A jettable material for balancing a microelectromechanical system comprises a vehicle, and a dispersion of nano-particles within the vehicle, in which the total mass of jettable material deposited on the microelectromechanical system is equal to the weight percentage of nano-particles dispersed within the vehicle multiplied by the mass of jettable material deposited on the microelectromechanical system. A microelectromechanical system comprises a number of unbalanced structures, and a number of droplets of jettable material disposed on the unbalanced structures, in which the droplets of jettable material balance the unbalanced structures in a plurality of orthogonal dimensions. | 12-06-2012 |
20130003161 | REFLECTIVE DISPLAYS - A reflective display includes a first transparent substrate and a second transparent substrate. First and second electrodes are connected to each of the first and second transparent substrates, and define a space between the first and second transparent substrates. The geometry of the first and second electrodes creates a substantially uniform electric field when a voltage is applied to the first and second electrodes. | 01-03-2013 |
20130057622 | FLUID EJECTION ASSEMBLY WITH CIRCULATION PUMP - A fluid ejection assembly includes a fluid slot, and a group of uniformly spaced drop generators, where each drop generator is individually coupled to the fluid slot through a first end of a drop generator channel and to a connection channel at a second end of the drop generator channel. The fluid ejection assembly includes a pump disposed within a pump channel located between two drop generator channels, and is configured to circulate fluid from the fluid slot, into the connection channel through the pump channel, and back to the fluid slot through the drop generator channels. | 03-07-2013 |
20130061936 | GENERATING FLUID FLOW IN A FLUIDIC NETWORK - In one embodiment, a method of generating net fluid flow in a microfluidic network includes, with a fluid actuator integrated asymmetrically within a microfluidic channel, generating compressive and tensile fluid displacements that are temporally asymmetric in duration. | 03-14-2013 |
20130061962 | MICROFLUIDIC SYSTEMS AND NETWORKS - In one embodiment, a microfluidic system includes a fluidic channel coupled at each end to a reservoir. A fluid actuator is located asymmetrically within the channel to create a long side and a short side of the channel and to generate a wave propagating toward each end of the channel, producing a unidirectional net fluid flow. A controller is to selectively activate the fluid actuator to control the unidirectional net fluid flow through the channel. | 03-14-2013 |
20130141780 | System And Method For Tri-state Electro-optical Displays - There is provided a display including a display including a number of display cells ( | 06-06-2013 |
20130239679 | THREE-AXIS GYROSCOPE - Apparatus related to measuring angular velocities in three-space are provided. Drive masses distributed in a plane are force-oscillated in two orthogonal directions such that gyration of the collective is performed. Sense masses coupled by flexures to the drive masses are each displaceable along a respective single degree of freedom in response to angular velocities about a vector orthogonal to that degree of freedom. Electronic circuitry measures the respective sense mass displacements and provides corresponding signaling. The drive masses and sense masses can be formed such that a microelectromechanical system (MEMS) device is defined. | 09-19-2013 |
20140377145 | MICROFLUIDIC MIXING DEVICE - A microfluidic mixing device comprises a main channel and a number of secondary channels extending from a portion of the main channel and entering another portion of the main channel. A number of actuators are located in the secondary channels to pump fluids through the secondary channels. A microfluidic mixing system comprises a microfluidic mixing device. The microfluidic mixing device comprises a main fluid mixing channel, a number of main channel actuators to pump fluid through the main fluid mixing channel, a number of secondary channels fluidly coupled to the main fluid mixing channel, and a number of secondary channel actuators to pump fluids through the secondary channels. The microfluidic mixing device also comprises a fluid source, and a control device to provide fluids from the fluid source to the microfluidic mixing device and activate the main channel actuators and secondary channel actuators. | 12-25-2014 |
20150013481 | MICRO-SCALE PENDULUM - A micro-scale pendulum structure. The structure includes a membrane having a peripheral support portion and an inner portion, and a micro-scale pendulum carried by the inner portion of the membrane. | 01-15-2015 |
20150025831 | DYNAMICALLY UPDATING A TIME INTERVAL OF A GPS - A seismic system includes a wireless sensor node. The wireless sensor node includes a global positioning system (GPS) device to receive a GPS time value at an interval; a temperature sensor to measure temperature; an oscillator to measure time; and a memory to store the GPS time value, the temperature, and the oscillator time. The wireless sensor node also includes a processor to determine a rate of temperature change during the interval, and to dynamically update the interval to receive the GPS time value from the GPS device, based on the rate of temperature change. | 01-22-2015 |